本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021,类别为 美国物理杯赛(Physics Bowl)
[单选题]
What temperature exists inside a solar collector (effective collection area of $15 m^2$) on a bright sunnyday when the outside temperature is +20°C? Assume that the collector is thermally insulated, thatthe Sun radiates the collector with a power per unit area of $600 W/m^2$, and that the collector acts as aperfect blackbody.
A. 73°C
B. 93°C
C. 107°C
D. 131°C
E. 154°C
参考答案: B
本题详细解析:
$P=eσA((T_1^2-T_2^4))$
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